Bill Gates topped Forbes' 2015 billionaires list, and the other top names will look equally familiar, including Carlos Slim Helu (No. 2) and Warren Buffett (up to No. 3 this year, and the biggest gainer on the list). Elsewhere, though, the list contained plenty of shakeups and new faces.

Social media is one of the greatest ways to connect with loved ones and complete strangers around the world – so, why not use it for a nationwide Secret Santa gift exchange? That’s what many companies, big and small, have been doing across the nation to spread some good ol’ holiday spirit. You never know who you might get.